/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 *
 * http://www.gnu.org/copyleft/gpl.html
 */
package l1j.jrwz.server.command.executor;

import java.util.NoSuchElementException;
import java.util.StringTokenizer;
import java.util.logging.Level;
import java.util.logging.Logger;

import l1j.jrwz.server.datatables.NpcTable;
import l1j.jrwz.server.model.Instance.L1PcInstance;
import l1j.jrwz.server.serverpackets.S_SystemMessage;
import l1j.jrwz.server.templates.L1Npc;
import l1j.jrwz.server.utils.L1SpawnUtil;

public class L1SpawnCmd implements L1CommandExecutor {
    private static Logger _log = Logger.getLogger(L1SpawnCmd.class.getName());

    public static L1CommandExecutor getInstance() {
        return new L1SpawnCmd();
    }

    private L1SpawnCmd() {
    }

    @Override
    public void execute(L1PcInstance pc, String cmdName, String arg) {
        try {
            StringTokenizer tok = new StringTokenizer(arg);
            String nameId = tok.nextToken();
            int count = 1;
            if (tok.hasMoreTokens()) {
                count = Integer.parseInt(tok.nextToken());
            }
            int randomrange = 0;
            if (tok.hasMoreTokens()) {
                randomrange = Integer.parseInt(tok.nextToken(), 10);
            }
            int npcid = parseNpcId(nameId);

            L1Npc npc = NpcTable.getInstance().getTemplate(npcid);
            if (npc == null) {
                pc.sendPackets(new S_SystemMessage("找不到符合条件的NPC 。"));
                return;
            }
            for (int i = 0; i < count; i++) {
                L1SpawnUtil.spawn(pc, npcid, randomrange, 0);
            }
            String msg = String.format("%s(%d) (%d) 召唤了。 (范围:%d)",
                    npc.get_name(), npcid, count, randomrange);
            pc.sendPackets(new S_SystemMessage(msg));
        } catch (NoSuchElementException e) {
            sendErrorMessage(pc, cmdName);
        } catch (NumberFormatException e) {
            sendErrorMessage(pc, cmdName);
        } catch (Exception e) {
            _log.log(Level.SEVERE, e.getLocalizedMessage(), e);
            pc.sendPackets(new S_SystemMessage(cmdName + " 内部错误。"));
        }
    }

    private int parseNpcId(String nameId) {
        int npcid = 0;
        try {
            npcid = Integer.parseInt(nameId);
        } catch (NumberFormatException e) {
            npcid = NpcTable.getInstance().findNpcIdByNameWithoutSpace(nameId);
        }
        return npcid;
    }

    private void sendErrorMessage(L1PcInstance pc, String cmdName) {
        String errorMsg = "请输入: " + cmdName + " npcid|name [数量] [范围] 。";
        pc.sendPackets(new S_SystemMessage(errorMsg));
    }
}
